Spondylodiscitis as a Spinal Complication of Transrectal Ultrasound-Guided Needle Biopsy of the Prostate
Bibliographic record
Abstract
STUDY DESIGN: A case report. OBJECTIVE: To describe the presentation of pyogenic spondylodiscitis as an iatrogenic spinal complication of a transrectal ultrasound-guided needle biopsy of the prostate (TUGNBP), despite prophylactic use of antibiotics, and discuss possible route of infection. SUMMARY OF BACKGROUND DATA: Pyogenic spondylodiscitis is a rare complication of TUGNBP. Several similar case reports, have been previously published, including 1 by the authors of this case report; however, in the present case, spondylodiscitis occurred despite prophylactic antibiotic use. METHODS: A 59-year-old man was admitted to the neurosurgery department, experiencing severe back and bilateral leg pain for 6 weeks. His neurological examination was normal. His medical and surgical histories were unremarkable, except for a TUGNBP performed 2 months ago because of the high serum levels of prostate-specific antigen levels. At the time of the biopsy, he had been given prophylactic oral antibiotic (ciprofloxacin, 500 mg twice a day) for 2 weeks. The day after biopsy, the patient experienced intermittent high fever and fatigue, and a week after biopsy, he complained of progressive back pain. RESULTS: After 2 weeks, whole-body bone scan with Tc99m-MDP revealed hyperactivity at the level of L4 and L5 vertebral bodies. His contrast-enhanced magnetic resonance image of the lumbar spine showed diffuse contrast enhancement vertebral bodies and intervertebral disc of L4 and L5 along with contrast-enhanced circumferential epidural mass extending from S2 to L3 levels. L4 hemilaminectomy and epidural and intradiscal abscess drainage at the L4-L5 levels were performed. The diagnosis was consistent with acute discitis with Gram (-) bacilli, and microbiological culture was positive for Escherichia coli. He received intravenous and oral antibiotics for 6 weeks. CONCLUSION: Acute pyogenic spondylodiscitis should be considered among the major complications of TUGNBP and may occur despite prophylactic antibiotic use.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".